M42800A Atmel Corporation, M42800A Datasheet - Page 158
M42800A
Manufacturer Part Number
M42800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M42800A.pdf
(224 pages)
4.M42800A.pdf
(27 pages)
Specifications of M42800A
Flash (kbytes)
0 Kbytes
Pin Count
144
Max. Operating Frequency
33 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
54
Usb Speed
No
Usb Interface
No
Spi
2
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Self Program Memory
NO
External Bus Interface
1
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3/5.0
Fpu
No
Mpu / Mmu
no / no
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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Instruction Cycle Timings
6-16
Destination registers
Single register dest=pc
n registers (n>1)
n registers (n>1) including pc
Table 6-12 Load multiple registers instruction cycle operations (continued)
Cycle
1
2
3
4
5
1
2
•
n
n+1
n+2
1
2
•
n
n+1
n+2
n+3
n+4
Copyright © 1994-2001. All rights reserved.
Address
pc+2L
alu
pc+3L
pc’
pc’+L
pc’+2L
pc+2L
alu
alu+•
alu+•
alu+•
pc+3L
pc+3L
pc+2L
alu
alu+•
alu+•
alu+•
pc+3L
pc’
pc’+L
pc’+2L
MAS[1:0]
i
2
i
i
i
i
2
2
2
2
i
i
2
2
2
2
i
i
i
0
0
0
0
0
0
0
0
0
0
0
0
0
0
nRW
0
0
0
0
0
Data
(pc+2L)
pc’
-
(pc’)
(pc’+L)
(pc+2L)
(alu)
(alu+•)
(alu+•)
(alu+•)
-
(pc+2L)
(alu)
(alu+•)
(alu+•)
pc’
-
(pc’)
(pc’+L)
nMREQ
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
SEQ
0
0
0
1
1
0
1
1
1
0
1
0
1
1
1
0
0
1
1
ARM DDI 0029G
nOPC
0
1
1
0
0
0
1
1
1
1
1
0
1
1
1
1
1
0
0
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